<template>
    <li>
        <label>
        <input type="checkbox" :checked="todo.done" @change="change(todo.id)"/>
        <span>{{title}}</span>
        </label>
        <button class="btn btn-danger" @click="del(todo.id)" style="display:none">删除</button>
    </li>
</template>

<script>
export default {
    name:'Item',
    props:['todo','checkTodo','delTodo'],
    data() {
        return {
            title:this.todo.title
        }
    },
    methods: {
        change(id){
            this.checkTodo(id)
        },
        del(id){
            //通知app删除
            this.delTodo(id)
            
        }
    },
   
    
}
</script>

<style>
/*item*/
li {
  list-style: none;
  height: 36px;
  line-height: 36px;
  padding: 0 5px;
  border-bottom: 1px solid #ddd;
}

li label {
  float: left;
  cursor: pointer;
}

li label li input {
  vertical-align: middle;
  margin-right: 6px;
  position: relative;
  top: -1px;
}

li button {
  float: right;
  display: none;
  margin-top: 3px;
}

li:before {
  content: initial;
}

li:last-child {
  border-bottom: none;
}

li:hover {
    background-color: rgba(0,0,0,.1);
}
li:hover button{
    display: block !important;
}
</style>

